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  1. K

    Commuter Booster - <1kg Friction Drive

    You've done really nice work modding the Watt Meter. Can't wait to get mine so I can start hacking it myself. :D
  2. K

    Single stage reduction project, input wanted

    Thanks for confirming the chain noise issue. I've been looking at SPD/SI's online store it looks like it might not brake my budget badly if I change to belt drive. 24 to 72 seems to be the biggest ratio they have pulleys with suitable bore size. Now I'm just wondering if 9mm wide belt is enough...
  3. K

    Single stage reduction project, input wanted

    I've decided to go with the K-Force ESC and see how it holds up. I'll probably order the parts from Hobbyking tomorrow and once I receive them, I can properly start making the reduction unit.
  4. K

    Single stage reduction project, input wanted

    How about this Turnigy K-Force 100A ESC? http://hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=9328 That heatsink looks like it can be easily upgraded to a bigger one. ~20$ more than the previous cheaper one, but I also save a few bucks if I buy the motor from them instead of ebay.
  5. K

    Single stage reduction project, input wanted

    Good point about the throttle and thanks for clearing the freewheel issue. I got confused about the BMX terms. :? I know two lipos are not much, but I figured that it should be enough to get me started and on the road. I can always order a few more later. Gwhy, 40 km/h, not 40mph. :P I also...
  6. K

    Single stage reduction project, input wanted

    Once again spring is getting near. And that of course means that money starts to burn a hole in my pocket and I can feel the ebike fever rising. About time to do something about it... My current plan is to make a single stage reduction unit, sandwiched between aluminium plates, with LH drive...
  7. K

    One-Way as Motor Bearings?

    Thanks for pointing out the BEMF problem. I hadn't even thought about it, but now that you brought it up it sound pretty obvious. The bearing mod is starting to look like it might be a bit too risky for a first project so I think I'll skip it this time. Hopefully someone else has the...
  8. K

    One-Way as Motor Bearings?

    I'm planning a rc-motor + Golden Eagle drive ring setup and for adding freewheeling, the one-way motor bearing idea seems at least worth a try. For the motor I've been eyeing the TGY AerodriveXp SK Series 63-74 170Kv http://hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=7870. Does...
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